Electricity Quiz #2

Define: Switch

• the voltage source of a circuit.

• a device that opens and closes a circuit.

• a device that opposes or reduces the current.

• a circuit that is broken and does not allow current to flow.

• a material that allows electricity to flow easily.

Define: Conductor

• the voltage source of a circuit.

• a device that opens and closes a circuit.

• a device that opposes or reduces the current.

• a circuit that is broken and does not allow current to flow.

• a material that allows electricity to flow easily.

Define: Resistor

• the voltage source of a circuit.

• a device that opens and closes a circuit.

• a device that opposes or reduces the current.

• a circuit that is broken and does not allow current to flow.

• a material that allows electricity to flow easily.

What is current measured in?

• Ω (Ohms)
• V (Volts)
• A (Amps)
• W (Watts)

Current times Resistance equals
 (I X R)

• Power
• Voltage
• Amperage
• Ohm

Voltage divided by Current
(E / I)

• Current
• Power
• Resistance
• Watts

What voltage is needed to cause a 50A current flow through a 10Ω resistor?

• 15V

• 500V

• 500 kV

• 0.2V

unit of resistance

• ohm

• ampere

• volt

• joule

What letter represents Current?

• A
• I
• R
• E

Tags

NGSS.HS-PS2-5

What resistance is needed to cause a 20A current flow because of a 100V battery?

• 0.2Ώ
• 2000Ώ
• 120Ώ
• 5Ώ